Home / 47,609.44-71,423.20-19,148.58

Finding the Fourth Proportional to 47,609.44, 71,423.20 and 19,148.58

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Solution

The fourth proportional to 47,609.44, 71,423.20 and 19,148.58 is: 28,726.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,609.44 : 71,423.20 = 19,148.58 : x
  2. Step 2: Convert to fraction form
    47,609.44/71,423.20 = 19,148.58/x
  3. Step 3: Cross multiply
    47,609.44x = 71,423.20 × 19,148.58
  4. Step 4: Simplify right side
    47,609.44x = 1,367,652,859.06
  5. Step 5: Solve for x
    x = 1,367,652,859.06/47,609.44
  6. Step 6: Final answer
    x = 28,726.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.